I wonder if you can harden an image out of this gelatin in-situ? I had an idea of creating matrices for Dye Transfer printing by flowing the emulsion under a piece of film which is vacuumed to a piece of glass above it. You then expose it (either to visible light if it is silver based, or UV light if it is dichromated gelatin), and the emulsion hardens out of the liquid emulsion onto the film. You could even continuously pump and filter it if it doesn't gel. The idea is to eliminate the need for coating the film, so you wouldn't have to worry about coating defects, the need for drying, etc.

- Jim Browning